#!/bin/bash

# Slackware build script for DRAMSys

# Copyright 2022 William PC - Seattle, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=DRAMSys
VERSION=${VERSION:-20220830}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

COMMIT=09f6dcbb91351e6ee7cadfc7bc8b29d97625db8f

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$COMMIT
tar xvf $CWD/$PRGNAM-$COMMIT.tar.gz
cd $PRGNAM-$COMMIT

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;


# unpack requirements
tar xvf $CWD/json-efcc826ecb9b55893397f749e5514316ba8629bb.tar.gz --strip-component 1 -C DRAMSys/library/src/common/third_party/nlohmann
tar xvf $CWD/sqlite-amalgamation-9be05e13408dd8cf8dafe8f11b1700a28194e07e.tar.gz --strip-component 1 -C DRAMSys/library/src/common/third_party/sqlite-amalgamation

if [ "${POWER:-no}" == "yes" ]; then
  # fix for using system installed DRAMPower
  sed -i '48,50s/^/#/' DRAMSys/library/CMakeLists.txt
  sed -i '247s#PRIVATE.*#PRIVATE /usr/include/libdrampower#' DRAMSys/library/CMakeLists.txt
  sed -i '263s/^/#/' DRAMSys/library/CMakeLists.txt
  sed -i '266s/DRAMPower/drampower/' DRAMSys/library/CMakeLists.txt
  OPT="-DDRAMSYS_WITH_DRAMPOWER:BOOL=ON"
else
  OPT="-DDRAMSYS_WITH_DRAMPOWER:BOOL=OFF"
fi

mkdir -p build
cd build
  SYSTEMC_HOME=/usr \
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DBUILD_SHARED_LIBS=ON \
    -DCMAKE_CXX_STANDARD=17 \
    $OPT \
    -DCMAKE_BUILD_TYPE=Release ../DRAMSys
  make
#  make install/strip DESTDIR=$PKG
cd ..

# installing
install -d $PKG/usr/bin
install -m 0755 build/simulator/DRAMSys $PKG/usr/bin
install -d $PKG/usr/lib${LIBDIRSUFFIX}
install -m 0644 build/library/libDRAMSysLibrary.so $PKG/usr/lib${LIBDIRSUFFIX}

mkdir -p $PKG/usr/share/DRAMSys/
cp -av DRAMSys/library/resources/* $PKG/usr/share/$PRGNAM


# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG -depth -type d -empty -delete || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE.txt README.md \
       $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
